Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron arfakianum' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub to 2.5 m, epiphytic or terrestrial, young stems sparsely scaly and papillose pubescent. Leaves 5-10 x 2-3.5 cm, oblong to obovate-elliptic, the apex obtuse to almost rounded, the margin slightly revolute, the base tapering; upper surface sparsely silvery scaly at first but soon becoming glabrous with minute papillose spreading hairs on the midrib which is weakly depressed in the basal part, lateral veins 6-8 pairs moderately conspicuous, very slightly raised; lower surface with the veins slightly raised beneath, laxly scaly, the scales small, irregularly lobed and with small dark brown centres. Flowers in 4-10 flowered umbels, hanging diagonally to vertically downwards, calyx a low wavy ring; corolla deep pink, tubular straight or slightly curved expanded towards the mouth 2.5-3.5 x 2-3 cm, glabrous outside; stamens 10, clustered on the upper side of the flower; ovary densely short pubescent and inconspicuously scaly, style glabrous except for a few hairs at the base. Royal Horticultural Society (1997)
Distribution Papua New Guinea Irian Jaya (Arfak and Nettoti Mts)
Habitat 1,200-2,100 m
RHS Hardiness Rating H2
Conservation status Data deficient (DD)